Phylogeny and biogeography of Thyridosmylus (Neuroptera: Osmylidae) |
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| Authors: | YONGJIE WANG SHAUN L WINTERTON ZHIQI LIU |
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| Institution: | 1. Department of Entomology, China Agricultural University, Beijing, China;2. College of Life Science, Capital Normal University, Beijing, China;3. California State Collection of Arthropods, California Department of Food and Agriculture, Sacramento, CA, U.S.A. |
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| Abstract: | The first phylogenetic analysis of the genus Thyridosmylus Krüger is presented. All species from China were scored in a morphological analysis, along with extralimital species from India (Thyridosmylus pustulatus Kimmins) and Madagascar (Thyridosmylus marmoratus Fraser), and were compared with out‐group exemplars from Spilosmylus Kolbe, Thaumatosmylus Krüger and Osmylus Latreille. A monophyletic Thyridosmylus sister to Spilosmylus is confirmed based on this analysis, with the Malagasy Thyridosmylus marmoratus as sister to the Oriental Thyridosmylus species. Based on the results of this analysis, the biogeography of world Thyridosmylus is discussed. It is proposed that the genus originated in Gondwana no later than the Late Cretaceous (88 Ma) before the break‐up of the Madagascar–India continent. A new species, Thyridosmylus paralangii sp.n., is described from Guangxi Province, whereas two species Thyridosmylus langii (McLachlan) and Thyridosmylus perspicillaris minor Kimmins] are recorded from China for the first time. Four synonyms are identified: Thyridosmylus laetus Yang et al. syn.n. , Thyridosmylus similaminor Yang syn.n. , Thyridosmylus vulgatus Yang syn.n. and Thyridosmylus mimoroides Yang syn.n. A key to the species of the world is provided. |
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